Alternatives and competitors

Sites like O’Reilly

The 20 closest technology news and analysis alternatives to O’Reilly, ranked by what they actually offer, and the 8 technologies behind it.

Looking for an alternative to O’Reilly? The closest matches are The Verge, Slashdot and XDA Developers. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours
k = 20
Sites searched
4,032
Vector
384-d
Query
11 ms

01 · Entity

About O’Reilly

O’Reilly onlamp.com

Radar – O’Reilly

Now, next, and beyond: Tracking need-to-know trends at the intersection of business and technology

Top 10K · #4,868 English 8 technologies Crawled Nov 6, 2026
Visit O’Reilly

Summary by Claude

OnLAMP.com, a former O'Reilly site about open-source LAMP web development, now redirects to O'Reilly Radar. Radar publishes articles, newsletters and commentary on technology trends such as AI, data, software architecture and security.

Who it’s for
Software developers and technology leaders
Business model
Lead generation for O'Reilly learning platform subscriptions

02 · Embedding space

Competitor map

Each alternative by how close its vector is to O’Reilly’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

GitHubTechRepublicTom's HardwareHabrThe RegisterMakeUseOfGizmodoXDA DevelopersSlashdotThe Verge

03 · Nearest neighbours

Alternatives to O’Reilly

Thumbs up if it’s a real alternative to O’Reilly, thumbs down if it isn’t.

Only in English
  1. 01
    The Verge theverge.com Top 1K English

    The Verge

    The Verge is about technology and how it makes us feel. Founded in 2011, we offer our audience everything from breaking news to reviews to award-winning features and investigations, on our site, in video, and in podcasts.

  2. 02
    Slashdot slashdot.org Top 10K English

    Slashdot: News for nerds, stuff that matters, & software

    Slashdot: News for nerds, stuff that matters. Timely news source for technology related news and B2B software reviews & comparisons.

  3. 03
    XDA Developers xda-developers.com Top 10K English

    XDA

    The world’s best source for computing news, reviews, editorials guides, and more.

  4. 04
    Gizmodo gizmodo.com Top 10K English

    Gizmodo | The Future Is Here

    Dive into cutting-edge tech, reviews and the latest trends with the expert team at Gizmodo. Your ultimate source for all things tech.

  5. 05
    MakeUseOf makeuseof.com Top 10K English

    MUO - Technology, Simplified.

    MUO is your guide to modern tech. Learn how to make use of the tech and gadgets around you, and discover cool stuff on the internet.

  6. 06
    MIT Technology Review technologyreview.com Top 10K English

    MIT Technology Review

    Emerging technology news & insights | AI, Climate Change, BioTech, and more

  7. 07
    The Register theregister.com Top 10K English

    Technology news and analysis | The Register

    All the latest news for enterprise technology decision-makers and IT pros | The Register

  8. 08
    TechRadar techradar.com Top 10K German

    TechRadar | Dein Technik-Kaufberater

    Die aktuellsten News und Produkttests im Bereich Technik, Computer, Home Entertainment Systeme, Gadgets und mehr

  9. 09
    Habr habr.com Top 10K English

    Publications / My feed / Habr

    collaborative blog

  10. 10
    Tom's Hardware tomshardware.com Top 10K English

    Tom's Hardware: For The Hardcore PC Enthusiast

    Tom's Hardware helps you buy the best hardware and build the best PC to play, create and work..

  11. 11
    TechRepublic techrepublic.com Top 10K English

    online trade publication and social community

  12. 12
    GitHub github.blog Top 10K English

    Home - The GitHub Blog

    Updates, ideas, and inspiration from GitHub to help developers build and design software.

  13. 13
    Engadget engadget.com Top 10K English

    Engadget | Technology News & Expert Reviews

    Breaking news from the worlds of technology and entertainment, and expert reviews of the latest consumer tech products.

  14. 14
    Alura alura.com.br Top 10K Portuguese

    Black November Alura: matricule-se com até 50% de desconto!

    A Black November da Alura chegou! Aproveite o maior desconto do ano para se matricular e avançar na sua carreira tech!

  15. 15
    Hugging Face huggingface.co Top 10K

    Hugging Face – The AI community building the future.

    We’re on a journey to advance and democratize artificial intelligence through open source and open science.

  16. 16
    ScienceAlert sciencealert.com Top 10K English

    ScienceAlert : The Best in Science News And Amazing Breakthroughs

    The latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.

  17. 17
    How-To Geek howtogeek.com Top 10K English

    How-To Geek - We Explain Technology

    We explain technology. Learn more with our articles, reviews, tips, and the best answers to your most pressing tech questions.

  18. 18
    Harvard Business Review hbr.org Top 1K English

    Harvard Business Review - Ideas and Advice for Leaders

    Find new ideas and classic advice on strategy, innovation and leadership, for global leaders from the world's best business and management experts.

  19. 19
    PCWorld pcworld.com Top 10K English

    PCWorld

    PCWorld helps you navigate the PC ecosystem to find the products you want and the advice you need to get the job done.

  20. 20
    Ars Technica arstechnica.com Top 10K English

    Ars Technica - Serving the Technologist since 1998. News, reviews, and analysis.

    News and reviews, covering IT, AI, science, space, health, gaming, cybersecurity, tech policy, computers, mobile devices, and operating systems.

Ranked by score: the cosine similarity of each site’s vector to onlamp.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones O’Reilly uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What O’Reilly is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

CMS
Tag managers
A/B testing
  • VWO page source: dev.visualwebsiteoptimizer.com
Security
CDN
  • Akamai header x-akamai-transformed: 0 - 0 -
Web servers
Languages & backends
  • PHP implied by WordPress (page source: /wp-includes/)
DNS hosting

Stack changes

No changes yet. Each new crawl is compared with the last one, and what O’Reilly adds or drops shows up here.

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

About our crawler